In children with congenital heart disease

acquired heart disease and cardiomyopathy

evaluation of cardiac structure and function of children is an important factor in determining treatment options and prognosis.Traditional echocardiography often evaluate the cardiac structure and function by measuring the absolute values of the individual heart.But it is easy to cause judgment bias for the growth children.The question can be solved with a statistical method by converting the echocardiographic measurements into the Z scores through body surface area standardization.This article reviews the application progress of echocardiography Z scores in pediatric cardiac disease diagnosis and treatment.